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Puzzles (3 cohencoins award for each match):

Puzzle OUByi: 999999999

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/9GHX5Xms"] [Date "2025.10.20"] [White "TC"] [Black "Drew"] [Result "0-1"] [UTCDate "2025.10.20"] [UTCTime "23:50:25"] [WhiteElo "932"] [BlackElo "1612"] [WhiteRatingDiff "-1"] [BlackRatingDiff "+0"] [BlackTitle "GM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A00"] [Opening "Crab Opening"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. h4 e5 2. a4?! { (-0.56 → -1.44) Inaccuracy. c4 was best. } { A00 Crab Opening } (2. c4 Nf6) 2... Bc5 3. Ra3?? { (-1.00 → -3.78) Blunder. c3 was best. } (3. c3 d5 4. d4 exd4 5. cxd4 Bd6 6. Nc3 Nf6 7. Bg5 c6 8. g3 O-O 9. e3 h6) 3... Qf6?? { (-3.78 → -1.10) Blunder. Bxa3 was best. } (3... Bxa3 4. Nxa3 Nc6 5. e3 d5 6. d4 Nf6 7. dxe5 Nxe5 8. Ne2 O-O 9. b3 Re8 10. Bb2) 4. b4?? { (-1.10 → Mate in 1) Checkmate is now unavoidable. Rf3 was best. } (4. Rf3 Qe7 5. c3 d5 6. d4 exd4 7. cxd4 Bb4+ 8. Nc3 c5 9. Bg5 Nf6 10. Bxf6 gxf6) 4... Qxf2# { Black wins by checkmate. } 0-1
Computer analysisMove timesCrosstableFEN & PGN
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